Unit 5 第2课时 Explore教学课件

第2课时

Explore沪教版四年级上册·新教材UnitFiveHowaretheseasonsdifferent?借季节话题，培养学生观察与热爱自然的能力，体会季节自然之美和生命循环，能凭图片等获信息、归纳语篇重要信息。学习理解记忆季节相关单词、整理短语以练自主归纳能力，通过“Doasurvey”调查同学喜好，有效提升合作交流能力。应用实践将单元所学季节知识迁移到生活，如分享个人季节体验，或设计记录季节变化的小活动，深化对自然与语言的运用。迁移创新【核心词汇】fall,begin,leaf,grow,until,usually,often【核心句型】1.询问季节的特点及其回答：——What

is+季节+like?——It's+形容词./Itgets+形容词.核心知识点教学目标沪教版四年级上册ContentsContentLead-in01Presentation02Practice03Summary04Homework0501.Lead-in

Watchavideo02.Presentation

falllearnthenewwordsVocabularyTheapplefallsfromthetree.苹果从树上掉下来。例句拓

展名词（n.）——秋天；主要用在美式英语里，和autumn是同义词例句：Ilikefall.我喜欢秋天。；Theleavesturnyellowinfall.秋天树叶变黄了。动词（v.）——掉落、落下；表示物体从高处往下掉，或者人不小心摔倒例句：Theapplefallsfromthetree.苹果从树上掉下来。；Becareful,don’tfall.小心点，别摔倒。beginlearnthenewwordsVocabularyClassbeginsat8o’clock.八点开始上课。例句拓

展“开始做某事”：begintodosth.：侧重“准备开始做”，更强调动作的启动意图；begindoingsth.：侧重“正在开始做”，更强调动作的进行状态。Ibegintodomyhomeworkafterdinner.

晚饭后我开始做家庭作业。Thebirdbeginssinginginthemorning.

鸟儿早上开始唱歌。原形：begin过去式：began过去分词：begunleaflearnthenewwordsVocabularyAredleaffallsfromthetree.一片红叶从树上落下。例句单数：leaf（表示一片叶子）复数：leaves（表示多片叶子，注意变化规则：把“f”改成“ves”）例句：Thetreehasmanygreenleaves.（这棵树有很多绿叶。）autumnleaves（秋叶）、fallingleaves（落叶）greenleaves（绿叶）、dryleaves（枯叶）拓

展growlearnthenewwordsVocabularyPlantsgrowfastinspring.

植物在春天长得快。例

句生长、成长（指生物自然发育）Childrengrowtallereveryyear.

孩子们每年都长高。种植（指人为栽种植物）Mydadgrowsvegetablesinthegarden.

爸爸在花园里种蔬菜。变得（后接形容词，表状态变化）Theskygrowsdark.

天变黑了。grow-grew-grown拓

展usuallylearnthenewwordsVocabulary频率副词按“动作发生概率从高到低”排列：

always

总是：动作每次都发生例：Ialwaysgetupat7o’clock.

我总是七点起床。usually

通常：动作大部分时间发生例：Sheusuallywalkstoschool.

她通常步行去上学。often（经常）：动作频繁发生例：Theyoftenplayfootballonweekends.

他们经常在周末踢足球。sometimes（有时）：动作偶尔发生例：HesometimeswatchesTVintheevening.他有时晚上看电视。拓

展oftenalwayssometimesVocabularyReview&Keyphrasesgetwarm变得温暖helpplantsgrow帮助植物生长differentseasons不同的季节fallbeginleafgrowusuallyoftenalwayssometimesspringwarmsummerhotautumncoolwintercoldHowaretheseasonsdifferent?It’s…in...(season)Therearefourseasonsinayear:spring,summer,autumnandwinter.ThefourseasonsWhatisthistextabout?Springisaseasonforgrowing.Itgetswarm.Itusuallyrainsalot.Therainhelpsplantsgrow.

weatherB.animalsC.plantsD.daysandnightsThefeaturesofeachseason(季节特征)How’stheweatherinspring?Whatarethefeaturesofspring?SeasonWeatherFeatures

Springisaseasonforgrowing.Itgetswarm.Itusuallyrainsalot.Therainhelpsplantsgrow.How’stheweatherinspring?Whatarethefeaturesofspring?springwarmrainyplantsgrowSpringisaseasonforgrowing.Itgetswarm.Itusuallyrainsalot.Therainhelpsplantsgrow.SpringPlantsgrowinspring.captionWhyisspringaseasonforgrowing?Itgetswarm.Whyisspringaseasonforgrowing?Itusuallyrainsalot.Therainhelpsplantsgrow.Summercomesafterspring.Itgetshot.Thedaysarelongandthenightsareshort.Thesunhelpsfruitandflowersgrow.How’stheweatherinsummer?Whatarethefeaturesofsummer?Insummer,thedaysarelongandthenightsareshort.Inwinter,…Inwinter,thedaysareshortandthenightsarelong.Summercomesafterspring.Itgetshot.Thedaysarelongandthenightsareshort.Thesunhelpsfruitandflowersgrow.SummerSummerdaysare…Summerdaysarelongandhot.SeasonWeatherFeatures

hotsunnysummerFruitandflowersgrow.It’s...insummer....TheweatherandfeaturesofsummerDaysarelongandnightsareshort.SummerHow’stheweatherinautumn/winter?Whatarethefeaturesofautumn/winter?It’s...in...(season)...Autumncomesaftersummer.Itgetscool.Leavesturnred,yellowandorange.Wintercomesafterautumn.Thedaysareshortandthenightsarelong.Itgetscoldanditoftensnows!Manytreesdon’thaveleaves.Step1ReadandmarkHow’stheweather?Whatarethefeatures?Step2AskandanswerWhatseasonisit?How’stheweather?Whatarethefeatures?Whatarethefeaturesofautumn?Autumncomesaftersummer.Itgetscool.Leavesturnred,yellowandorange.Step3WritethecaptionStep3WritethecaptionWhatarethefeaturesofwinter?Wintercomesafterautumn.Thedaysareshortandthenightsarelong.Itgetscoldanditoftensnows!Manytreesdon’thaveleaves.Thenit’sspring!Theseasonsbeginagain.It’s...inautumn/winter....SeasonWeatherFeatures

coldsnowyautumnleavesturn...winterTheweatherandfeaturesofautumn/wintercoolmanytreesdon’thaveleavesdaysareshort/nightsarelongThenit’sspring!Theseasonsbeginagain.Therearefourseasonsinayear:spring,summer,autumnandwinter.Whatdothesepicturesshow?A.Look,readandmatch.Lookandthink.bcdaA.Look,readandmatch.B.Tickandsay.✔Whatarethefeaturesofeachseason?DifferentseasonsC.Listenandchant.DifferentseasonsC.Listenandchant.DifferentseasonsC.Listenandchant.Itgetswarminspring.Itdoesn’tgetcoolinspring.Itrainsalotinspring.Itdoesn’tgetwindyinspring.It__________warminautumn.It_____coolinautumn.It___________alotinautumn.It_____windyinautumn.Wecanseealotofhoneybeesinspring.Wecansee__________________inautumn.doesn’tgetgetsdoesn’traingetsalotofyellowleavesDifferentseasonsItgetscoolinautumn.Wecanseemanyyellowleaves.Ilikeautumn.Butit’ssodry!Itdoesn’trainalot.Let’swaituntilspring!Springcomes.Springcomes.Wecanseemanyhoneybees.Itrains.Itrains.Hooray!Itgetssowet!DifferentseasonsHowdothingschangeineachseason?WeatherPlantsThingswecansee...03.Practice

Languagepoints重点句型1.描述季节存在：Therearefourseasonsinayear:spring,summer,autumnandwinter.2.描述季节特征：Plantsgrowinspring；Summerdaysarelongandhot；Leavesfallinautumn；Winterdaysareshortandcold.3.描述季节变化与影响：Springisaseasonforgrowing.Itgetswarm.Itusuallyrainsalot.Therainhelpsplantsgrow.Summercomesafterspring.Itgetshot.Thesunhelpsfruitandflowersgrow.Autumncomesaftersummer.Itgetscool.Leavesturnred,yellowandorange.Wintercomesafterautumn.Itgetscoldanditoftensnows!Manytreesdon’thaveleaves.Languagepoints一般现在时的肯定句与否定句肯定：Itgetshot.Itsnowsinwinter.否定（含缩写）：Itdoesn’tgetcold.Itdoesn’tsnowinsummer.一、将描述与对应的季节匹配A.summerB.springC.autumnD.winter①Plantsgrowin____.②Daysarelongandhotin____.③Leavesfallin____.④Daysareshortandcoldin____.二、补全句子1.Therearefourseasonsinayear:spring,____,autumnandwinter.2.Springisaseasonforgrowing.Itgets____.3.Summercomesafterspring.Itgets____.4.Autumncomesaftersummer.Leavesturnred,____andorange.BACDsummerwarmhotyellow三、句型转换题（语法运用）1.将句子改为否定句：Itsnowsinsummer.→It________insummer.2.用缩写形式改写句子：Itdoesnotgetwarminwinter.→It____getwarminwinter.四、造句/表达题1.请用“____ismyfavouriteseason.It____.”句型表达你最喜欢的季节及原因。2.请描述你所在城市的春天：Inspring,it____.Wecan____.3.请按照顺序描述四季的更替：Springcomesfirst.Then____comes.Afterthatis____.Finally,____comes.Thentheseasonsbeginagain.doesn'tsnowdoesn't示例：Summerismyfavouriteseason.Itgetshot.示例：Inspring,itge